CN205177445U - Fireproof cable - Google Patents
Fireproof cable Download PDFInfo
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- CN205177445U CN205177445U CN201520837233.7U CN201520837233U CN205177445U CN 205177445 U CN205177445 U CN 205177445U CN 201520837233 U CN201520837233 U CN 201520837233U CN 205177445 U CN205177445 U CN 205177445U
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Abstract
The utility model relates to a wire and cable technical field, concretely relates to fireproof cable. A fireproof cable, includes the cable inner core, and the cable inner core includes insulation core, and insulation core adopts the conductor sinle silk outside and to be formed after the priority sets up flame retardant coating and insulating layer outside to by interior, the insulation core outside is equipped with network structure's skeleton, its peripheral hardware flame retardant coating, and flame retardant coating and skeleton are compound integrative. Due to the adoption of the technical scheme, the utility model discloses use inorganic mineral composite nanowire fire prevention complex body as the main protective layer of cable, netted skeleton be in the same place with the effectual complex of fire -proof material, has characteristics such as colourless, tasteless, nontoxic, smokeless, resistant high low temperature, resistant time wear out, environmental protection, can stop flame to the harm of cable effectively, keeps cable normal operating in for a long time under the flame burning circumstances. Make the cable fire -protection rating reaches BS's 6387 CWZ and GB's 12666.6 A level, and the cost is with low costs, and factor of safety is high.
Description
Technical field
The utility model relates to technical field of electric wires and cables, is specifically related to a kind of fireproof cable.
Background technology
According to statistics, the part caused due to electric fault in fire incident accounts for 60%.Along with people constantly deepen the understanding of the danger of electric wire problem initiation fire, the performance requirements such as the fire protection flame retarding of electric wire are also progressively being improved.When running into breaking out of fire, the fire-fighting equipment such as Fire lift, fire pump need keep normal operation within a certain period of time, and therefore, the electric wire bearing these equipment transmission of electricity effects just needs the performance possessing higher fireproofing and heat resistant.And be no matter the electric wire of fire-fighting equipment or scene of fire, if it produces a large amount of toxic and harmful after combustion, then easily cause secondary to endanger and pollute.General fire-resisting cable is wrapped mica tape on conductor mainly, and be made up of flame resistant filler, fire-retardant band and fire retardant jacket, fire protecting performance is limited, can not meet for the fire-proof and explosion-proof application scenario having requirements at the higher level.
Utility model content
The purpose of this utility model is, provides a kind of fireproof cable, solves above technical problem.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of fireproof cable, comprise cable inner core, it is characterized in that, described cable inner core comprises an insulated wire cores, and described insulated wire cores adopts and formed after a conductor thread core successively arranges flame retardant coating and insulating barrier outward from inside to outside;
Described insulated wire cores outside is provided with a cancellated skeleton and a fireprotection layer.
Described fireprotection layer is coated on outside described insulated wire cores to extrude mode.
The fireprotection layer that described fireprotection layer adopts inorganic mineral composite nano materials to make.
Described skeleton is the cancellated skeleton of cross be made up of wire or refractory fibre silk.
Be coated on after described fireprotection layer and described skeleton are complex as a whole structure outside described insulated wire cores, make product when being subject to influence of fire, no matter can keep the integrality of fireprotection layer at flame status or nonflame state, common maintenance, makes fire-protection rating reach the A level of CWZ and GB12666.6 of BS6387.
The sheath that described fireprotection layer low-smoke halogen-free flame-retardant polyolefine material is made.
An inhibiting tape is provided with, the inhibiting tape that described inhibiting tape adopts glass fibre to make between described sheath and described fireprotection layer.
Described sheath is arranged at outside described inhibiting tape to extrude mode.
Described cable core comprises at least two insulated wire cores, arbitrary described insulated wire cores all adopts the outer priority from inside to outside of conductor thread core described in arrange described flame retardant coating and described insulating barrier is made, described at least two insulated wire cores are be complex as a whole the composite bed of structure in its outer cladding by described fireprotection layer and described skeleton again after pencil arrangement in groups, described inhibiting tape is set outside described composite bed, extrudes outside inhibiting tape and generate described sheath.
Preferred described cable core comprises three insulated wire cores.
Described flame retardant coating adopts the wrapped flame retardant coating made on conductor thread core of inorganic mineral material.
Preferably, described flame retardant coating adopts the flame retardant coating that multilayer inorganic mineral mica tape is made.
The insulating barrier that described insulating barrier adopts environmental protection high polymer to make, described insulating barrier is coated on described flame retardant coating.
Preferably, described environmental protection high polymer adopts crosslinked polyethylene, that is to say, the insulating barrier that described insulating barrier adopts crosslinked polyethylene to make.
The conductor thread core that described conductor thread core adopts strand copper wire stranded.
Described inorganic mineral composite nano materials adopts inorganic mineral fire resistant flame retardant material, nano inorganic auxiliary agent, inorganic binder and inorganic mineral filler to make, wherein, inorganic mineral fire resistant flame retardant material adopts aluminium hydroxide, magnesium hydroxide or both mixtures, the fireprotection layer that the utility model adopts above-mentioned material to make has the advantages that combustion process is smokeless, nontoxic, do not produce droppings, the nano inorganic auxiliary agent preparing this materials'use promotes that material forms excellent combination property, has the flexibility of macromolecular material and the robustness of comprehensive architecture material; The inorganic adhesive preparing this materials'use is a kind of high temperature resistant inorganic nano-composite water inorganic adhesive utilizing inorganic nano material to make through polycondensation reaction, by the screening to composition proportion and preparation technology parameter, the not only strong and excellent fire retarding performance of cohesive force, good non-corrosiveness can be kept, fire resistance and adhesive property under the high temperature of 1800 DEG C.The utility model in use; solid-state non-combustible matter is formed when fireprotection layer is subject to burning; after this solid-state non-combustible matter is hardening; hole is produced in fireprotection layer inside; effectively completely cut off the transmission of the combustion heat; there is the fire-resistant effect with intercepting high temperature significantly, thus the internal structure of available protecting cable and performance.
Beneficial effect: owing to adopting technique scheme; the utility model uses inorganic mineral composite Nano fire prevention complex as the main protective layer of cable; mesh skeleton and fire proofing material are effectively combined with each other; there is the feature such as colourless, tasteless, nontoxic, smokeless, high-low temperature resistant, weatherable, environmental protection; can effectively stop flame to the infringement of cable, the normal operation in maintenance cable is long-time in flame combustion situation.Make described cable fire-proof grade reach the A level of CWZ and GB12666.6 of BS6387, cost is low, and coefficient of safety is high.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is another kind of structural representation of the present utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, setting forth the utility model further below in conjunction with concrete diagram.
With reference to Fig. 1, a kind of fireproof cable, its cable inner core comprises insulated wire cores, and insulated wire cores adopts and formed after the outer priority from inside to outside of conductor thread core 1 arranges flame retardant coating 2 and insulating barrier 3.Insulated wire cores outside is provided with cancellated skeleton 5 and a fireprotection layer 6, is provided with inhibiting tape 7, is provided with sheath 8 outside inhibiting tape 7 outside fireprotection layer 6.Be coated on outside insulated wire cores after fireprotection layer 6 and skeleton 5 are complex as a whole structure, and fireprotection layer 6 is coated on outside insulated wire cores to extrude mode.Fireprotection layer 6 adopts inorganic mineral composite nano materials to make, inorganic mineral composite nano materials adopts inorganic mineral fire resistant flame retardant material, nano inorganic auxiliary agent, inorganic binder and inorganic mineral filler to make, wherein, inorganic mineral fire resistant flame retardant material adopts aluminium hydroxide, magnesium hydroxide or both mixtures.Flame retardant coating 2 adopts that inorganic mineral material is wrapped to be made on conductor thread core 1, and preferably, flame retardant coating 2 adopts multilayer inorganic mineral mica tape to make.Insulating barrier 3 adopts environmental protection high polymer to make, and is coated on flame retardant coating 2.Wherein, environmental protection high polymer preferably adopts crosslinked polyethylene, that is to say, now insulating barrier 3 adopts crosslinked polyethylene to make.Conductor thread core 1 adopts that strand copper wire is stranded to be formed.Skeleton 5 is cross network structure, and is made up of wire or refractory fibre silk.Sheath 8 is made for halogen-free and low-smoke flame-retardant polyolefin material.Inhibiting tape 7 is made for glass fibre.Sheath 8 is arranged at outside inhibiting tape 7 to extrude mode.
With reference to Fig. 2, cable core comprises at least two insulated wire cores, and arbitrary insulated wire cores all adopts and successively arranges flame retardant coating 2 from inside to outside and insulating barrier 3 is made a conductor thread core 1 is outer.At least two insulated wire cores are be complex as a whole the composite bed of structure in its outer cladding by fireprotection layer 6 and skeleton 5 again after pencil arrangement in groups, arrange inhibiting tape 7, extrude and generate sheath 8 outside inhibiting tape 7 outside composite bed.Figure 2 shows that a cable core comprises the structural representation of three insulated wire cores.
Foregoing shows and describes general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. a fireproof cable, comprises cable inner core, it is characterized in that, described cable inner core comprises an insulated wire cores, and described insulated wire cores adopts and formed after a conductor thread core successively arranges flame retardant coating and insulating barrier outward from inside to outside;
Described insulated wire cores outside is provided with a cancellated skeleton and a fireprotection layer.
2. a kind of fireproof cable according to claim 1, is characterized in that, described fireprotection layer is coated on outside described insulated wire cores to extrude mode;
The fireprotection layer that described fireprotection layer adopts inorganic mineral composite nano materials to make.
3. a kind of fireproof cable according to claim 2, is characterized in that, described skeleton is the cancellated skeleton of cross be made up of wire or refractory fibre silk;
Be coated on outside described insulated wire cores after described fireprotection layer and described skeleton are complex as a whole structure.
4. a kind of fireproof cable according to claim 3, is characterized in that, the sheath that described fireprotection layer low-smoke halogen-free flame-retardant polyolefine material is made;
An inhibiting tape is provided with, the inhibiting tape that described inhibiting tape adopts glass fibre to make between described sheath and described fireprotection layer;
Described sheath is arranged at outside described inhibiting tape to extrude mode.
5. a kind of fireproof cable according to claim 4, it is characterized in that, described cable core comprises at least two insulated wire cores, arbitrary described insulated wire cores all adopts the outer priority from inside to outside of conductor thread core described in arrange described flame retardant coating and described insulating barrier is made, described at least two insulated wire cores are be complex as a whole the composite bed of structure in its outer cladding by described fireprotection layer and described skeleton again after pencil arrangement in groups, described inhibiting tape is set outside described composite bed, extrudes outside inhibiting tape and generate described sheath.
6. a kind of fireproof cable according to any one of claim 1 to 5, is characterized in that, described flame retardant coating adopts the wrapped flame retardant coating made on conductor thread core of inorganic mineral material.
7. a kind of fireproof cable according to any one of claim 6, is characterized in that, the insulating barrier that described insulating barrier adopts environmental protection high polymer to make, and described insulating barrier is coated on described flame retardant coating.
8. a kind of fireproof cable according to claim 7, is characterized in that, the conductor thread core that described conductor thread core adopts strand copper wire stranded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837233.7U CN205177445U (en) | 2015-10-27 | 2015-10-27 | Fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520837233.7U CN205177445U (en) | 2015-10-27 | 2015-10-27 | Fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177445U true CN205177445U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520837233.7U Active CN205177445U (en) | 2015-10-27 | 2015-10-27 | Fireproof cable |
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| Country | Link |
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| CN (1) | CN205177445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906558A (en) * | 2018-09-10 | 2018-11-30 | 台山鸿隆光电科技有限公司 | A kind of glue spreading method of LED lamp tube |
| CN112992411A (en) * | 2021-01-16 | 2021-06-18 | 江西江缆科技有限公司 | Flexible mineral insulation fireproof cable and preparation method thereof |
-
2015
- 2015-10-27 CN CN201520837233.7U patent/CN205177445U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906558A (en) * | 2018-09-10 | 2018-11-30 | 台山鸿隆光电科技有限公司 | A kind of glue spreading method of LED lamp tube |
| CN112992411A (en) * | 2021-01-16 | 2021-06-18 | 江西江缆科技有限公司 | Flexible mineral insulation fireproof cable and preparation method thereof |
| CN112992411B (en) * | 2021-01-16 | 2022-07-12 | 江西江缆科技有限公司 | Flexible mineral insulation fireproof cable and preparation method thereof |
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